U. P. Borde

Butalactin, a new butanolide antibiotic. Taxonomy, fermentation, isolation and biological activity.

J. Blumbach, B. Ganguli, C. Franco, 1991, The Journal of antibiotics.

Butalactin: a new butanolide antibiotic from streptomyces corchorusii☆

J. Blumbach, B. Ganguli, H. Fehlhaber, 1991 .